730520169 has 8 divisors (see below), whose sum is σ = 976819200. Its totient is φ = 485617296.

The previous prime is 730520159. The next prime is 730520233. The reversal of 730520169 is 961025037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 730520169 - 2⁸ = 730519913 is a prime.

It is a super-2 number, since 2×730520169² = 1067319434631577122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (730520159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347817 + ... + 349910.

It is an arithmetic number, because the mean of its divisors is an integer number (122102400).

Almost surely, 2^730520169 is an apocalyptic number.

It is an amenable number.

730520169 is a deficient number, since it is larger than the sum of its proper divisors (246299031).

730520169 is a wasteful number, since it uses less digits than its factorization.

730520169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698079.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 730520169 is about 27028.1366172365. The cubic root of 730520169 is about 900.6251496145.

The spelling of 730520169 in words is "seven hundred thirty million, five hundred twenty thousand, one hundred sixty-nine".